A quick & reliable universal plumb bob setter & a 14 oz quick stabilizing plumb bob made by Tajima for layout work. An all-in-one plumb alignment & centering tool with a self-retracting line, this setter quickly & easily attaches to most surfaces. Includes a setting pin for wood or drywall, a strong magnet for steal surfaces, it hooks onto nails or studs, & it also latches onto beams & frames. Can be used with other Plumb-Rite bobs, weighing up to 32 oz.,Special Features & Benefits,•    Recessed Steel Pin punches into wood or drywall surfaces, disengages with a simple twist & retracts into the case automatically.,•    Strong Magnet attaches securely to steel beams or frames.,•    Zero-Distance Pin easily converts the setter for flush-to-surface alignment & centering tasks.,•    Ratcheting Hook extends to latch onto beams or frames, folds up to hook onto nail or studs,•    Line Tension Pins allow the setter to be used with other Plumb-Rite bobs, weighing up to 32 oz.,•    Auto Recoil Cord is 14-1/2' long (4.5 m) Tajima Plumb-Rite 400 ~ Plumb Bob Setter